Temperature sensing and control is a critical requirement in applications like furnaces, boilers, HVAC and in industrial processes like chemical, petrochemical, oil & gas, and food processing/manufacturing.

Thermocouples are widely used in these applications for temperature sensing. They work on the principle of Seebeck effect, where two different metal wires are joined together, and this junction generates a voltage proportional to the temperature. The most common thermocouple types or thermocouple calibrations available are B, E, J, K, N, R, S, T & C. Each of these types have a specified temperature range in which they can be used. Thermocouples are available in various form factors like immersion probes, surface probes, air probes, bulkhead probes etc. Thermocouple wires, thermocouple extension wires and thermocouple connectors are important accessories that are used along with thermocouples.

Thermocouple wires are used to connect the sensor to the measuring instrument or temperature controller/transmitter. Thermocouple extension wires are used to extend the distance between the sensor and the measuring instrument or controller/transmitter. Thermocouple connectors are used to provide a secure and reliable connection between the thermocouple wires/extension wires and the measuring instruments. Thermocouple connectors are available in standard and miniature versions with 2-terminal connectors being the most used.

Application temperature, degree of accuracy in measurement, resistance to harsh environments, thermocouple wires, thermocouple extension wires and thermocouple connectors are the key factors based on which a thermocouple type is selected.

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Manufacturer
Thermocouple Wire Type
Length
Thermocouple Type
Sensing Temperature Min
Outside Diameter
External Diameter
Length - Imperial
Measured Temperature Min
Measured Temperature Max
Sensing Temperature Max
Probe/Pocket Body Material
Length - Metric
Sensor Body Material
Response Time
Lead Length - Imperial
Operating Temperature Min
Wire Gauge
Operating Temperature Max
Lead Length - Metric
Probe Length - Imperial
Analogue Outputs
Probe Length - Metric
Probe Diameter - Imperial
Probe Diameter - Metric
Field of View (FOV)
Insulation
Emissivity
Thermocouple Termination
Thermocouple Wire Standard
Thermocouple Shielding
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ComparePrice ForQuantity
4294243

RoHS

Each
1+
HK$640.660
5+
HK$625.740
10+
HK$596.540
25+
HK$577.680
50+
HK$562.630
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
250°C
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
3.93"
-
100mm
0.24"
6mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4294214

RoHS

Each
1+
HK$624.040
5+
HK$609.510
10+
HK$581.070
25+
HK$562.700
50+
HK$548.040
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
250°C
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
5.91"
-
150mm
0.12"
3mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4318126

RoHS

Each
1+
HK$560.450
5+
HK$526.130
10+
HK$468.810
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
800°C
800°C
-
-
Inconel 600
-
3.281ft
-
-
-
1m
5.905"
-
150mm
0.039"
1mm
-
-
-
-
-
-
MPFA Series
4156037

RoHS

Each
1+
HK$372.050
5+
HK$363.550
10+
HK$346.890
25+
HK$336.040
50+
HK$327.270
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
350°C
-
-
Stainless Steel
-
6.56ft
-
-
-
2m
-
-
-
-
-
-
Glassfiber
-
Bare Wire
JIS
-
-
4318166

RoHS

Each
1+
HK$334.510
10+
HK$311.270
25+
HK$290.980
Min: 1 / Mult: 1
-
-
J
0°C
-
-
-
0°C
400°C
400°C
-
-
-
-
6.562ft
-
-
-
2m
-
-
-
0.236"
6mm
-
-
-
-
-
-
MPFA Series
4294212

RoHS

Each
1+
HK$612.550
5+
HK$598.280
10+
HK$570.360
25+
HK$552.330
50+
HK$537.940
More Pricing...
Min: 1 / Mult: 1
-
-
K
-
-
-
-
-
-
-
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
1.97"
-
50mm
0.12"
3mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4294241

RoHS

Each
1+
HK$625.320
5+
HK$610.760
10+
HK$582.260
25+
HK$563.850
50+
HK$549.160
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
-
-
-
316 Stainless Steel
-
3.3ft
-
-
-
1m
7.87"
-
200mm
0.12"
3mm
-
PFA
-
Bare Wire
IEC
Shielded
FAA-ISK Series
4318173

RoHS

Each
1+
HK$323.430
10+
HK$297.270
25+
HK$275.020
75+
HK$255.800
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
1200°C
1200°C
-
-
Inconel 600
-
-
-
-
-
-
9.843"
-
250mm
0.059"
1.5mm
-
-
-
-
-
-
MPFA Series
4318167

RoHS

Each
1+
HK$329.950
10+
HK$306.820
25+
HK$286.850
Min: 1 / Mult: 1
-
-
K
-
-
-
-
0°C
400°C
400°C
-
-
-
-
6.562ft
-
-
-
2m
-
-
-
0.236"
6mm
-
-
-
-
-
-
MPFA Series
7069212

RoHS

Each
1+
HK$107.380
10+
HK$98.240
25+
HK$91.080
50+
HK$87.370
100+
HK$85.400
More Pricing...
Min: 1 / Mult: 1
-
-
J
-60°C
-
-
-
-60°C
350°C
-
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
Glassfiber
-
Bare Wire
IEC
Unshielded
-
7076150

RoHS

Each
1+
HK$61.980
10+
HK$56.710
25+
HK$52.570
50+
HK$50.430
100+
HK$49.300
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
260°C
260°C
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
PTFE
-
Bare Wire
IEC
Unshielded
-
7076137

RoHS

Each
1+
HK$109.650
10+
HK$100.320
25+
HK$93.000
50+
HK$89.210
100+
HK$87.210
More Pricing...
Min: 1 / Mult: 1
-
-
K
-60°C
-
-
-
-60°C
350°C
-
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
Glassfiber
-
Bare Wire
IEC
Unshielded
-
7076162

RoHS

Each
1+
HK$99.890
10+
HK$91.390
25+
HK$84.720
50+
HK$81.270
100+
HK$79.450
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
260°C
260°C
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
PTFE
-
Bare Wire
IEC
Unshielded
-
2443720

RoHS

Each
1+
HK$97.620
10+
HK$95.670
25+
HK$87.210
50+
HK$78.750
100+
HK$77.180
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
250°C
250°C
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
PFA
-
Miniature Connector
IEC
Unshielded
Z2-K Series
2443721

RoHS

Each
1+
HK$118.320
10+
HK$115.940
25+
HK$95.420
50+
HK$93.520
100+
HK$91.610
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
250°C
250°C
-
-
-
-
6.6ft
-
-
-
2m
-
-
-
-
-
-
PFA
-
Miniature Connector
ANSI
Unshielded
Z2-K-2.0 Series
2990366

RoHS

Pack of 5
1+
HK$907.400
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
260°C
260°C
-
-
PFA
-
-
-
-
-
-
3.3ft
-
1m
0.005"
0.13mm
-
PFA
-
Stripped Leads
IEC
Unshielded
5TC Series
2947102

RoHS

Each
1+
HK$33.990
100+
HK$27.840
250+
HK$24.710
500+
HK$22.660
Min: 1 / Mult: 1
-
-
K
0°C
-
-
-
0°C
800°C
800°C
-
-
Nickel Chromium Silicon Alloy
-
40"
-
-
-
1m
-
-
-
-
-
-
-
-
-
-
-
Multicomp Pro Temperature Probes
3410317

RoHS

Pack of 5
1+
HK$753.100
Min: 1 / Mult: 1
-
-
E, J, K, T
-
-
-
-
0°C
482°C
-
-
-
-
-
-
-
-
-
-
80"
-
2m
0.01"
0.25mm
-
Fiberglass
-
Stripped Leads
IEC
Unshielded
5TC Series
3794825

RoHS

Pack of 5
1+
HK$582.800
Min: 1 / Mult: 1
-
-
-
-
-
-
-
0°C
482°C
-
-
-
-
-
-
-
-
-
-
39.37"
-
1m
0.005"
0.13mm
-
Fiberglass
-
Stripped Leads
ANSI
Unshielded
5TC Series
4724367

RoHS

Each
1+
HK$605.720
Min: 1 / Mult: 1
-
-
K
-200°C
-
-
-
-200°C
1200°C
1200°C
-
-
Nickel Chromium
-
100"
-
-
-
2.5m
-
-
-
-
-
-
-
-
-
-
-
-
8598185

RoHS

Pack of 5
1+
HK$488.960
5+
HK$467.420
10+
HK$419.770
25+
HK$397.550
50+
HK$384.390
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
+250°C
-
-
-
-
80"
-
-
-
2m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
-
1633490

RoHS

Each
1+
HK$157.370
10+
HK$150.440
25+
HK$135.100
50+
HK$127.950
100+
HK$123.720
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-
-
+250°C
-
-
-
-
120"
-
-
-
3m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
-
4920971

RoHS

Each
1+
HK$57.650
5+
HK$52.750
10+
HK$48.900
Min: 1 / Mult: 1
-
-
K
-50°C
-
-
-
-50°C
+250°C
+250°C
-
-
Nickel Aluminium, Nickel Chromium
-
40"
-
-
-
1m
-
-
-
-
-
-
-
-
-
-
-
-
4920983

RoHS

Each
1+
HK$73.670
5+
HK$67.410
10+
HK$62.490
Min: 1 / Mult: 1
-
-
K
-50°C
-
-
-
-50°C
+450°C
+450°C
-
-
Nickel Aluminium, Nickel Chromium
-
40"
-
-
-
1m
-
-
-
-
-
-
-
-
-
-
-
-
4100748

RoHS

Each
1+
HK$142.100
10+
HK$140.660
25+
HK$139.210
50+
HK$126.800
100+
HK$114.380
More Pricing...
Min: 1 / Mult: 1
-
-
K
-75°C
-
-
-
-75°C
260°C
260°C
-
-
-
-
3.3ft
-
-
-
1m
-
-
-
-
-
-
PTFE
-
Miniature Connector
IEC
Unshielded
Type K x 1m
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